4^12
[tex]4.4 {}^{10}.4 = \\ 4 \times 4 {}^{10} \times 4 \\ 4 {}^{1} \times 4 {}^{10} \times 4 \\ 4 \times4 {}^{10} \times 4 \\ 4 {}^{1} \times 4 {}^{10} \times 4 \\ 4 {}^{1} \times 4 {}^{10} \times 4 {}^{1} \\ 4 {}^{1 + 10} \times 4 {}^{1} \\ 4 {}^{11} \times 4 {}^{1} \\ 4 {}^{11 + 1} \\ 4 {}^{12} \\ resposta \\ 4 {}^{12} [/tex]
